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Fashion is fleeting, Chalkdust regulars are not.
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DNA origami, tracks and an interview with El Nombre feature in our AW25 issue! Plus all your favourite puzzles & columns.
Prize crossnumber, Issue 22
Win £100 of MathsGear goodies with our famously fiendish crossnumber
Cryptic crossword, issue 22
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The undisputed top ten mathematical pets this season